Add a origin clean flag in ImageBitmap class

third_party/WebKit/Source/core/imagebitmap/ImageBitmapFactories.cpp

 /*
  * Copyright (c) 2013, Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 165 matching lines @@
     OwnPtr<ImageSource> source = adoptPtr(new ImageSource());
     source->setData(*sharedBuffer, true);
 
     RefPtr<SkImage> frame = source->createFrameAtIndex(0);
     ASSERT(!frame || (frame->width() && frame->height()));
     if (!frame) {
         rejectPromise();
         return;
     }
 
-    RefPtr<Image> image = StaticBitmapImage::create(frame);
+    RefPtr<StaticBitmapImage> image = StaticBitmapImage::create(frame);
+    image->setOriginClean(true);
     if (!m_cropRect.width() && !m_cropRect.height()) {
         // No cropping variant was called.
         m_cropRect = IntRect(IntPoint(), image->size());
     }
 
-    RefPtrWillBeRawPtr<ImageBitmap> imageBitmap = ImageBitmap::create(image.get(), m_cropRect);
+    RefPtrWillBeRawPtr<ImageBitmap> imageBitmap = ImageBitmap::create(image, m_cropRect);
     m_resolver->resolve(imageBitmap.release());
     m_factory->didFinishLoading(this);
 }
 
 void ImageBitmapFactories::ImageBitmapLoader::didFail(FileError::ErrorCode)
 {
     rejectPromise();
 }
 
 DEFINE_TRACE(ImageBitmapFactories::ImageBitmapLoader)
 {
     visitor->trace(m_factory);
     visitor->trace(m_resolver);
 }
 
 } // namespace blink